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Date: Wed, 06 Jul 2005 13:58:07 -0700 (PDT)
Message-Id: <20050706.135807.105431412.davem@davemloft.net>
To: davej@redhat.com
Cc: pmarques@grupopie.com, linux-kernel@vger.kernel.org
Subject: Re: Slowdown with randomize_va_space in 2.6.12.2
From: "David S. Miller" <davem@davemloft.net>
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From: Dave Jones <davej@redhat.com>
Subject: Re: Slowdown with randomize_va_space in 2.6.12.2
Date: Wed, 6 Jul 2005 16:53:15 -0400

> On Wed, Jul 06, 2005 at 12:57:19PM -0700, David S. Miller wrote:
>  > It might be attributable to more cpu cache misses in userspace since
>  > the virtual addresses of everything are changing each and every
>  > invocation.
> 
> On Transmeta CPUs that probably triggers a retranslation of
> x86->native bytecode, if it thinks it hasn't seen code at that
> address before.

That sounds like a more likely cause than my theory.